diff --git a/docs/examples/range.tsx b/docs/examples/range.tsx
index 1b137c8b0..4ab06f468 100644
--- a/docs/examples/range.tsx
+++ b/docs/examples/range.tsx
@@ -202,6 +202,17 @@ export default () => {
             disabledDate={disabledDate}
           />
         </div>
+        <div style={{ margin: '0 8px' }}>
+          <h3>Custom Format</h3>
+          <RangePicker<Moment>
+            {...sharedProps}
+            locale={zhCN}
+            picker="year"
+            format={(date, index) => {
+              return index === 0 ? date.format('YYYY') : date.format('YYYY-MM-DD');
+            }}
+          />
+        </div>
       </div>
     </div>
   );
diff --git a/src/PickerInput/Selector/hooks/useInputProps.ts b/src/PickerInput/Selector/hooks/useInputProps.ts
index 251777982..1574c3980 100644
--- a/src/PickerInput/Selector/hooks/useInputProps.ts
+++ b/src/PickerInput/Selector/hooks/useInputProps.ts
@@ -86,7 +86,8 @@ export default function useInputProps<DateType extends object = any>(
   const firstFormat = format[0];
 
   const getText = React.useCallback(
-    (date: DateType) => formatValue(date, { locale, format: firstFormat, generateConfig }),
+    (date: DateType, index?: number) =>
+      formatValue(date, { locale, index, format: firstFormat, generateConfig }),
     [locale, generateConfig, firstFormat],
   );
 
@@ -97,7 +98,7 @@ export default function useInputProps<DateType extends object = any>(
     const defaultSize = picker === 'time' ? 8 : 10;
     const length =
       typeof firstFormat === 'function'
-        ? firstFormat(generateConfig.getNow()).length
+        ? firstFormat(generateConfig.getNow(), 0).length
         : firstFormat.length;
     return Math.max(defaultSize, length) + 2;
   }, [firstFormat, picker, generateConfig]);
diff --git a/src/interface.tsx b/src/interface.tsx
index 2fe3dae7d..ed8fb82b2 100644
--- a/src/interface.tsx
+++ b/src/interface.tsx
@@ -281,7 +281,7 @@ export type Components<DateType extends object = any> = Partial<
 >;
 
 // ========================= Picker =========================
-export type CustomFormat<DateType> = (value: DateType) => string;
+export type CustomFormat<DateType> = (value: DateType, index: number) => string;
 
 export type FormatType<DateType = any> = string | CustomFormat<DateType>;
 
diff --git a/src/utils/dateUtil.ts b/src/utils/dateUtil.ts
index 7508e067e..4a72e1ff9 100644
--- a/src/utils/dateUtil.ts
+++ b/src/utils/dateUtil.ts
@@ -232,10 +232,12 @@ export function formatValue<DateType>(
     generateConfig,
     locale,
     format,
+    index = 0,
   }: {
     generateConfig: GenerateConfig<DateType>;
     locale: Locale;
     format: string | CustomFormat<DateType>;
+    index?: number;
   },
 ) {
   if (!value) {
@@ -243,7 +245,7 @@ export function formatValue<DateType>(
   }
 
   return typeof format === 'function'
-    ? format(value)
+    ? format(value, index)
     : generateConfig.locale.format(locale.locale, value, format);
 }